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TFS: A Transparent File System for Contributory Storage

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Emery Berger
Emery Berger

A file system that lets background applications use all of your available disk space, without impacting your use of your computer. This paper won Best Paper Award at FAST 2007.

Technologie
1 von 26
TFS: A Transparent File System for Contributory Storage James Cipar, Mark Corner, Emery Berger University of Massachusetts, Amherst ,[object Object]
Contributory Applications Users contribute resources from local machine for other’s use
Contributory Storage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Current State of Contributory Storage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Impact of Contributing Storage ,[object Object],[object Object]
Our Solution: TFS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
TFS and Contribution TFS performance changes very little as space is contributed
Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Design Principles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Avoiding File Fragmentation ,[object Object],[object Object],[object Object]
Avoiding Free Space Fragmentation ,[object Object],[object Object]
Why do we Need 5 States? ,[object Object],[object Object]
Performance Concessions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Allocation Locality ,[object Object],[object Object]
Reducing Data Loss ,[object Object],[object Object],[object Object]
Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Evaluation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Experimental Setup ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
TFS Evaluation: Allocation Policy ,[object Object],[object Object]
TFS Evaluation: Performance ,[object Object]
Storage Capacity and Bandwidth ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
TFS and Bandwidth ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
High Churn Network (Internet) ,[object Object]
Low Churn Network (Corporate) ,[object Object]
Conclusions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
TFS: A Transparent File System for Contributory Storage James Cipar, Mark Corner, Emery Berger University of Massachusetts, Amherst ,[object Object]

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TFS: A Transparent File System for Contributory Storage

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  • 2. Contributory Applications Users contribute resources from local machine for other’s use
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  • 7. TFS and Contribution TFS performance changes very little as space is contributed
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